GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Schedule of the Change in the Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
May 31, 2020	May 26, 2019
Goodwill
Beginning balance	$ 11,435.4	$ 4,477.1
Acquisitions		6,962.0
Purchase accounting adjustments	10.1	1.5
Currency translation	(9.2)	(5.2)
Ending balance	11,436.3	11,435.4
Grocery & Snacks
Goodwill
Beginning balance	4,741.3	2,582.5
Acquisitions		2,157.3
Purchase accounting adjustments	3.5	1.5
Currency translation	0.0	0.0
Ending balance	4,744.8	4,741.3
Refrigerated & Frozen
Goodwill
Beginning balance	5,642.4	1,080.6
Acquisitions		4,561.8
Purchase accounting adjustments	5.9	0.0
Currency translation	0.0	0.0
Ending balance	5,648.3	5,642.4
International
Goodwill
Beginning balance	299.0	242.9
Acquisitions		61.3
Purchase accounting adjustments	0.7	0.0
Currency translation	(9.2)	(5.2)
Ending balance	290.5	299.0
Foodservice
Goodwill
Beginning balance	752.7	571.1
Acquisitions		181.6
Purchase accounting adjustments	0.0	0.0
Currency translation	0.0	0.0
Ending balance	$ 752.7	$ 752.7

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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